1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License").  You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22/*
23 * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24 * Copyright 2023 Domagoj Stolfa. All rights reserved.
25 * Use is subject to license terms.
26 */
27
28#ifndef	_DT_PRINTF_H
29#define	_DT_PRINTF_H
30
31#pragma ident	"%Z%%M%	%I%	%E% SMI"
32
33#include <sys/types.h>
34#include <libctf.h>
35#include <dtrace.h>
36#include <stdio.h>
37
38#ifdef	__cplusplus
39extern "C" {
40#endif
41
42struct dt_node;
43struct dt_ident;
44
45struct dt_pfconv;
46struct dt_pfargv;
47struct dt_pfargd;
48
49typedef int dt_pfcheck_f(struct dt_pfargv *,
50    struct dt_pfargd *, struct dt_node *);
51typedef int dt_pfprint_f(dtrace_hdl_t *, FILE *, const char *,
52    const struct dt_pfargd *, const void *, size_t, uint64_t);
53
54typedef struct dt_pfconv {
55	const char *pfc_name;		/* string name of input conversion */
56	const char *pfc_ofmt;		/* string name of output conversion */
57	const char *pfc_tstr;		/* string name for conversion type */
58	dt_pfcheck_f *pfc_check;	/* function to use for type checking */
59	dt_pfprint_f *pfc_print;	/* function to use for formatting */
60	ctf_file_t *pfc_cctfp;		/* CTF container for "C" defn of type */
61	ctf_id_t pfc_ctype;		/* CTF type ID for "C" defn of type */
62	ctf_file_t *pfc_dctfp;		/* CTF container for "D" defn of type */
63	ctf_id_t pfc_dtype;		/* CTF type ID for "D" defn of type */
64	struct dt_pfconv *pfc_next;	/* next conversion in hash chain */
65} dt_pfconv_t;
66
67typedef struct dt_pfdict {
68	dt_pfconv_t **pdi_buckets;	/* hash bucket array */
69	uint_t pdi_nbuckets;		/* size of hash bucket array */
70} dt_pfdict_t;
71
72typedef struct dt_pfargd {
73	const char *pfd_prefix;		/* prefix string pointer (or NULL) */
74	size_t pfd_preflen;		/* length of prefix in bytes */
75	char pfd_fmt[8];		/* output format name to use */
76	uint_t pfd_flags;		/* format flags (see below) */
77	int pfd_width;			/* field width (or 0) */
78	int pfd_dynwidth;		/* dynamic field width (or 0) */
79	int pfd_prec;			/* field precision (or 0) */
80	const dt_pfconv_t *pfd_conv;	/* conversion specification */
81	const dtrace_recdesc_t *pfd_rec; /* pointer to current record */
82	struct dt_pfargd *pfd_next;	/* pointer to next arg descriptor */
83} dt_pfargd_t;
84
85#define	DT_PFCONV_ALT		0x0001	/* alternate print format (%#) */
86#define	DT_PFCONV_ZPAD		0x0002	/* zero-pad integer field (%0) */
87#define	DT_PFCONV_LEFT		0x0004	/* left-align field (%-) */
88#define	DT_PFCONV_SPOS		0x0008	/* sign positive values (%+) */
89#define	DT_PFCONV_DYNWIDTH	0x0010	/* dynamic width (%*.) */
90#define	DT_PFCONV_DYNPREC	0x0020	/* dynamic precision (%.*) */
91#define	DT_PFCONV_GROUP		0x0040	/* group thousands (%') */
92#define	DT_PFCONV_SPACE		0x0080	/* insert leading space (% ) */
93#define	DT_PFCONV_AGG		0x0100	/* use aggregation result (%@) */
94#define	DT_PFCONV_SIGNED	0x0200	/* arg is a signed integer */
95
96typedef struct dt_pfargv {
97	dtrace_hdl_t *pfv_dtp;		/* libdtrace client handle */
98	char *pfv_format;		/* format string pointer */
99	dt_pfargd_t *pfv_argv;		/* list of argument descriptors */
100	uint_t pfv_argc;		/* number of argument descriptors */
101	uint_t pfv_flags;		/* flags used for validation */
102} dt_pfargv_t;
103
104typedef struct dt_pfwalk {
105	const dt_pfargv_t *pfw_argv;	/* argument description list */
106	uint_t pfw_aid;			/* aggregation variable identifier */
107	FILE *pfw_fp;			/* file pointer to use for output */
108	int pfw_err;			/* error status code */
109} dt_pfwalk_t;
110
111extern int dt_pfdict_create(dtrace_hdl_t *);
112extern void dt_pfdict_destroy(dtrace_hdl_t *);
113
114extern dt_pfargv_t *dt_printf_create(dtrace_hdl_t *, const char *);
115extern void dt_printf_destroy(dt_pfargv_t *);
116
117#define	DT_PRINTF_EXACTLEN	0x1	/* do not permit extra arguments */
118#define	DT_PRINTF_AGGREGATION	0x2	/* enable aggregation conversion */
119
120extern void dt_printf_validate(dt_pfargv_t *, uint_t,
121    struct dt_ident *, int, dtrace_actkind_t, struct dt_node *);
122
123extern void dt_printa_validate(struct dt_node *, struct dt_node *);
124
125extern int dt_print_stack(dtrace_hdl_t *, FILE *,
126    const char *, caddr_t, int, int);
127extern int dt_print_ustack(dtrace_hdl_t *, FILE *,
128    const char *, caddr_t, uint64_t);
129extern int dt_print_mod(dtrace_hdl_t *, FILE *, const char *, caddr_t);
130extern int dt_print_umod(dtrace_hdl_t *, FILE *, const char *, caddr_t);
131
132extern int dt_format_stack(dtrace_hdl_t *, caddr_t, int, int);
133extern int dt_format_ustack(dtrace_hdl_t *, caddr_t, uint64_t);
134extern int dt_format_mod(dtrace_hdl_t *, caddr_t);
135extern int dt_format_umod(dtrace_hdl_t *, caddr_t);
136
137#ifdef	__cplusplus
138}
139#endif
140
141#endif	/* _DT_PRINTF_H */
142